Merge pull request 'new jenkins build agent' (#4) from new-build-agent into master

Reviewed-on: https://git.ozg-sh.de/mgm/ozgcloud-user-operator/pulls/4

Jenkinsfile

 pipeline {
     agent {
        node {
-           label 'jenkins-build-agent'
+           label 'ozgcloud-jenkins-build-agent'
         }
     }
 
@@ -154,12 +154,6 @@ pipeline {
         }
 
         stage ('OWASP Dependency-Check Vulnerabilities') {
-            when {
-                anyOf {
-                    branch 'master'
-                    branch 'release'
-                }
-            }
             steps {
                     dependencyCheck additionalArguments: ''' 
                         -o "./" 
@@ -168,6 +162,7 @@ pipeline {
                         -d /dependency-check-data
                         --suppression dependency-check-supressions.xml
                         --disableKnownExploited
+                        --noupdate
                         --disableArchive
                         --prettyPrint''', odcInstallation: 'dependency-check-owasp'